3*5 - 8 = 15-8 = 7
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What is the answers to -7 ( a + b - 5 ) + 8 ( -3a +2b ) + b ( 7 + 3 )
-2
6a-3
3a - 1 = ? relation between a & 3 is ( 3 multiplied by a ) since a = 8, then, 3 * 8 = 24 therefore : (3*8)-1=23
4a - 5 = 7a - 7 -5 = 3a - 7 2 = 3a a = 3/2